JSFiddle - React, Tailwind, and code Playground

by teneff

HTML

<div class="test"></div>

CSS

.test {
    border: 1px solid red;
    width: 50px;
    height: 50px;
    border-radius: 50px;
    position: relative;
}
.test::after {
    position: absolute;
    top: 0;
    left: 0;
    content: ' ';
    border: 1px solid green;
    width: 50px;
    height: 50px;
    border-radius: 50px;
}